[INFO] cloning repository https://github.com/ianfabs/cereal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianfabs/cereal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianfabs%2Fcereal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianfabs%2Fcereal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77c066b8ba347a735191ff5b718f945386608f95
[INFO] checking ianfabs/cereal against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianfabs%2Fcereal" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianfabs/cereal on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ianfabs/cereal
[INFO] finished tweaking git repo https://github.com/ianfabs/cereal
[INFO] tweaked toml for git repo https://github.com/ianfabs/cereal written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ianfabs/cereal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v4.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5e79f0c1a0c1194f3b03f2df3ca356e39459248d50889112b4c62ee609e918c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5e79f0c1a0c1194f3b03f2df3ca356e39459248d50889112b4c62ee609e918c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5e79f0c1a0c1194f3b03f2df3ca356e39459248d50889112b4c62ee609e918c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e79f0c1a0c1194f3b03f2df3ca356e39459248d50889112b4c62ee609e918c", kill_on_drop: false }`
[INFO] [stdout] c5e79f0c1a0c1194f3b03f2df3ca356e39459248d50889112b4c62ee609e918c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab80394201dd3e522430452743691b638d2274dfca36a6df913313daaaae899d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ab80394201dd3e522430452743691b638d2274dfca36a6df913313daaaae899d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking serialport v4.0.0
[INFO] [stderr]     Checking cereal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]   --> src/main.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fmt::{self, Debug, Display};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Axis`, `BarChart`, `Canvas`, `Cell`, `Chart`, `Dataset`, `Frame`, `Gauge`, `LineGauge`, `Line`, `MapResolution`, `Map`, `Paragraph`, `Rect`, `Rectangle`, `Row`, `Sparkline`, `Table`, `Wrap`, `symbols`
[INFO] [stdout]   --> src/main.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 |     layout::{Constraint, Direction, Layout, Rect},
[INFO] [stdout]    |                                             ^^^^
[INFO] [stdout] 22 |     style::{Color, Modifier, Style},
[INFO] [stdout] 23 |     symbols,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 24 |     text::{Span, Spans},
[INFO] [stdout] 25 |     widgets::canvas::{Canvas, Line, Map, MapResolution, Rectangle},
[INFO] [stdout]    |                       ^^^^^^  ^^^^  ^^^  ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 26 |     widgets::{
[INFO] [stdout] 27 |         Axis, BarChart, Block, Borders, Cell, Chart, Dataset, Gauge, LineGauge, List, ListItem,
[INFO] [stdout]    |         ^^^^  ^^^^^^^^                  ^^^^  ^^^^^  ^^^^^^^  ^^^^^  ^^^^^^^^^
[INFO] [stdout] 28 |         Paragraph, Row, Sparkline, Table, Tabs, Wrap,
[INFO] [stdout]    |         ^^^^^^^^^  ^^^  ^^^^^^^^^  ^^^^^        ^^^^
[INFO] [stdout] 29 |     },
[INFO] [stdout] 30 |     Frame,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:145:24
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     if (app.tabs.current == Tab::Welcome) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]   --> src/main.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fmt::{self, Debug, Display};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Axis`, `BarChart`, `Canvas`, `Cell`, `Chart`, `Dataset`, `Frame`, `Gauge`, `LineGauge`, `Line`, `MapResolution`, `Map`, `Paragraph`, `Rect`, `Rectangle`, `Row`, `Sparkline`, `Table`, `Wrap`, `symbols`
[INFO] [stdout]   --> src/main.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 |     layout::{Constraint, Direction, Layout, Rect},
[INFO] [stdout]    |                                             ^^^^
[INFO] [stdout] 22 |     style::{Color, Modifier, Style},
[INFO] [stdout] 23 |     symbols,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 24 |     text::{Span, Spans},
[INFO] [stdout] 25 |     widgets::canvas::{Canvas, Line, Map, MapResolution, Rectangle},
[INFO] [stdout]    |                       ^^^^^^  ^^^^  ^^^  ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 26 |     widgets::{
[INFO] [stdout] 27 |         Axis, BarChart, Block, Borders, Cell, Chart, Dataset, Gauge, LineGauge, List, ListItem,
[INFO] [stdout]    |         ^^^^  ^^^^^^^^                  ^^^^  ^^^^^  ^^^^^^^  ^^^^^  ^^^^^^^^^
[INFO] [stdout] 28 |         Paragraph, Row, Sparkline, Table, Tabs, Wrap,
[INFO] [stdout]    |         ^^^^^^^^^  ^^^  ^^^^^^^^^  ^^^^^        ^^^^
[INFO] [stdout] 29 |     },
[INFO] [stdout] 30 |     Frame,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:145:24
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     if (app.tabs.current == Tab::Welcome) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Backend`
[INFO] [stdout]   --> src/main.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |     backend::{Backend, TermionBackend},
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:116:33
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...                   let mut lines = vec![Spans::from(i.port_name.clone())];
[INFO] [stdout]     |                           ----^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `serialPorts` should have a snake case name
[INFO] [stdout]   --> src/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     serialPorts: StatefulList<SerialPortInfo>,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to snake case: `serial_ports`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Backend`
[INFO] [stdout]   --> src/main.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |     backend::{Backend, TermionBackend},
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:116:33
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...                   let mut lines = vec![Spans::from(i.port_name.clone())];
[INFO] [stdout]     |                           ----^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `serialPorts` should have a snake case name
[INFO] [stdout]   --> src/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     serialPorts: StatefulList<SerialPortInfo>,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to snake case: `serial_ports`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.57s
[INFO] running `Command { std: "docker" "inspect" "ab80394201dd3e522430452743691b638d2274dfca36a6df913313daaaae899d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab80394201dd3e522430452743691b638d2274dfca36a6df913313daaaae899d", kill_on_drop: false }`
[INFO] [stdout] ab80394201dd3e522430452743691b638d2274dfca36a6df913313daaaae899d